Build a clause
The talk about intelligent machines ... Jack gave was really interesting.
which/ that
This is the watch whose my father gave me for my Birthday.
Wrong!
which/ that
Which relative clause is separated by commas?
non-defining
Ossur is a global company. It manufactures prosthetic limbs.
Ossur is a global company which/ that manufactures prosthetic limbs.
I met a woman ... had taken a driverless car for a test drive.
who
This is Bill Gates, who is one of the richest people in the world.
Right!
What kind of information do defining relative clauses introduce?
essential for understanding the sentence
The program isn't working properly. You loaded it yesterday.
The program which/ that you loaded yesterday isn't working properly.
Jenny is the girl ... car was in an accident.
whose
Do you know the man, who lives next door?
Wrong!
no comma
What relative pronoun can be used in defining clauses but is never used in non-defining?
that
The company's engineers have developed many artificial knees. Their designs have won awards.
The company's engineers, whose designs have won awards, have developed many artificial knees.
The Bugatti Veyron, ... is one of the most expensive cars ever, was first produced in 2005.
which
I liked the meal (which/that) you cooked yesterday.
Which relaitive pronoun is used for possessions and family relationships?
whose
Is that the girl? We went to her party last weekend.
Is that the girl whose party we went to last weekend?
People ... I know ... hate doing housework just love this machine.
- / who
The 1990 when many economical changes took place was a very difficult period for our country.
Wrong!
The 1990, when many economical changes took place, was a very difficult period for our country.
When can the relative pronoun be omitted?
when the clause has a subject of its own
Ossur sponsors Paralympian athletes. It is something they are proud of.
Ossur sponsors Paralympian athletes, which is something they are proud of.